Muldraugh Hill is an escarpment

Escarpment

An escarpment is a steep slope or long cliff that occurs from erosion or faulting and separates two relatively level areas of differing elevations.-Description and variants:...

 in central Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

 separating the Bluegrass

Bluegrass region

The Bluegrass Region is a geographic region in the state of Kentucky, United States. It occupies the northern part of the state and since European settlement has contained a majority of the state's population and its largest cities....

 on the north and north-east from the Pennyrile

Pennyroyal Plateau

The Pennyroyal Plateau, or, as it is more commonly called in Kentucky, the Pennyrile, is a large area of the state that features rolling hills, caves, and karst topography in general. It is also called the "Mississippi Plateau"....

 on the south and south-west. This escarpment fades into the Pottsville Escarpment

Pottsville Escarpment

The Pottsville Escarpment is a resistant sandstone belt of cliffs and steep sided, narrow crested valleys in eastern Kentucky, USA. It features rock shelters, waterfalls, and natural bridges...

 on the east, and terminates at the Ohio River

Ohio River

The Ohio River is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream...

 in the west, although in truth it continues in Indiana

Indiana

Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...

 as Floyds Knobs

Floyds Knobs, Indiana

Floyds Knobs is a small unincorporated town in Lafayette Township, Floyd County, Indiana. Historically a farming community on the outskirts of New Albany, it has since become a bedroom community for Louisville, Kentucky, containing subdivisions, farms, small shopping centers and churches, and...

.

In parts of its eastern stretches, Muldraugh Hill is little more than a slight hill, but in some of the western areas, it is represented by extensive areas of knobs. The formation comprises mostly siltstone

Siltstone

Siltstone is a sedimentary rock which has a grain size in the silt range, finer than sandstone and coarser than claystones.- Description :As its name implies, it is primarily composed of silt sized particles, defined as grains 1/16 - 1/256 mm or 4 to 8 on the Krumbein phi scale...

s and shale

Shale

Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments of other minerals, especially quartz and calcite. The ratio of clay to other minerals is variable. Shale is characterized by breaks along thin laminae or parallel layering...

s, with some minor limestones, between the limestone

Limestone

Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

s and dolomite

Dolomite

Dolomite is a carbonate mineral composed of calcium magnesium carbonate CaMg2. The term is also used to describe the sedimentary carbonate rock dolostone....

s of the older Bluegrass and the limestones of the newer Pennyrile. Rock outcrops are minor except where the overlying limestones are exposed in the north end of Fort Knox

Fort Knox

Fort Knox is a United States Army post in Kentucky south of Louisville and north of Elizabethtown. The base covers parts of Bullitt, Hardin, and Meade counties. It currently holds the Army Human Resources Center of Excellence to include the Army Human Resources Command, United States Army Cadet...

.

The Jefferson Memorial Forest

Jefferson Memorial Forest

The Jefferson Memorial Forest is a forest located in southwest Louisville, Kentucky , in the knobs region of Kentucky. At , it is the largest municipal urban forest in the United States...

 in Louisville, Kentucky

Louisville, Kentucky

Louisville is the largest city in the U.S. state of Kentucky, and the county seat of Jefferson County. Since 2003, the city's borders have been coterminous with those of the county because of a city-county merger. The city's population at the 2010 census was 741,096...

 and Bernheim Forest in Bullitt

Bullitt County, Kentucky

As of the census of 2000, there were 61,236 people, 22,171 households, and 17,736 families residing in the county. The population density was . There were 23,160 housing units at an average density of...

 and Nelson

Nelson County, Kentucky

Nelson County is a county located in the U.S. state of Kentucky. As of 2010, the population was 43,437. Its county seat is Bardstown. The county is part of the Louisville/Jefferson County, KY–IN Metropolitan Statistical Area.- History :...

 Counties are both located within the knobs of Muldraugh Hill, as is part of Fort Knox

Fort Knox

Fort Knox is a United States Army post in Kentucky south of Louisville and north of Elizabethtown. The base covers parts of Bullitt, Hardin, and Meade counties. It currently holds the Army Human Resources Center of Excellence to include the Army Human Resources Command, United States Army Cadet...

.